Silicon
Silicon (CAS: 7440-21-3, Formula: Si) is a metalloid element crucial in modern technology. It exists in crystalline or wafer form, often doped with elements like boron for semiconductor applications. This high-purity silicon is essential for manufacturing microelectronics, solar cells, and advanced materials, serving as a fundamental building block in the electronics industry.
Semiconductor Manufacturing
Highly purified crystalline silicon, often in wafer form, is the primary material for integrated circuits, microprocessors, and memory chips due to its controllable semiconductor properties.
Solar Energy
Polycrystalline and monocrystalline silicon wafers are the foundational components for photovoltaic cells, converting sunlight directly into electricity.
Materials Science Research
Silicon in various forms, including nanoparticles, is utilised in research for developing novel materials, sensors, and catalysts due to its unique electronic and chemical properties.
Electronics and Photonics
Used in the development of advanced electronic devices, optoelectronics, and silicon photonics for high-speed communication and computing.
| Molecular weight | 28.09 |
|---|---|
| Linear formula | Si |
| Assay | ≥98% trace metals basis |
| Form | crystalline (cubic (a = 5.4037))wafer (single side polished) |
| Boiling point | 2355 °C(lit.) |
| Density | 2.33 g/mL at 25 °C(lit.) |
| Particle size | <100 nm (TEM) |
| Melting point | 1410 °C(lit.) |
| Contains / stabiliser | boron as dopant |
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 2 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Semiconductor Properties | , P-type |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Silicon (CAS 7440-21-3) used for?
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Silicon (CAS 7440-21-3) is primarily used in semiconductor manufacturing for integrated circuits and microprocessors, as well as in solar cells for energy production. It is also employed in materials science research for developing new technologies.
What is the CAS number and formula for Silicon?
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The CAS number for Silicon is 7440-21-3 and its chemical formula is Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Silicon with an assay of ≥98% on a trace metals basis, in crystalline and wafer form, often doped with boron. We do not represent this product as USP, BP, or EP grade.
How should Silicon be handled safely?
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Handling Silicon requires appropriate safety measures. Use safety glasses and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if dust is generated. Refer to the Safety Data Sheet for comprehensive handling instructions. According to GHS, it is classified with hazard statements P210.
Is Silicon a controlled substance?
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Based on the provided data, Silicon (CAS 7440-21-3) is not listed as a controlled substance.
How can I request a quote or sample for Silicon?
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To request a quote or sample for Silicon, please contact our sales team through the website or by phone. We will be happy to assist you with your specific requirements.
How is Silicon packed and shipped?
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Silicon is carefully packed to ensure safe transit and is exported globally by Tech Serve Solutions. Specific packaging details depend on the quantity and form ordered.
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